Pump surface and the inner surface of the volute rust rust

Pump surface and pressure chamber (also known as volute) inner surface of the uneven rust. If the surface roughness, it will pump the pump to reduce water 7% -8%. When repairing, just smooth with steel brush and iron sandpaper or grinding wheel, so that the pump can reduce fuel consumption or power consumption by 9% - 14%.

Ceramic Electric Moka Coffee Maker

Ceramic Electric Coffee Maker Black,Ceramic Electric Coffee Maker Coffee,Ceramic Electric Coffee Maker Electric,Ceramic Electric Coffee Maker For Home

Ningbo DeNeu Imp. & Exp. Co., Ltd , https://www.deneucn.com